Adaptive nozzle system for high-energy abrasive stream cutting

Details Adaptive nozzle system for high-energy abrasive stream cutting Adaptive nozzle system for high-energy abrasive stream cutting

2005-01-25

2005-01-25

Nguyen, George (Department: 3723)

Abrading

Precision device or process - or with condition responsive...

Condition responsive control for sandblasting

C451S036000, C451S038000, C451S040000, C451S102000, C451S090000

Reexamination Certificate

active

06846221

ABSTRACT:
A system is provided for delivering onto a workpiece a high-energy abrasive cutting stream. The system generally comprises a head assembly for providing a pressurized fluidic stream; a nozzling unit coupled to the head assembly for nozzling the pressurized fluidic stream; and, an adaptive orientation assembly coupled to the nozzling unit. The nozzling unit is operable to expel a high-energy abrasive cutting stream for cutting about or along a predefined pattern on the workpiece, and includes a nozzle member having a laminar inner wall surface defining a longitudinally extending passage. This passage terminates at an outlet portion which describes in sectional contour a predetermined shape such that, during operation, it serves to generate upon the workpiece an instantaneous kerf of cut having a corresponding sectional contour. The adaptive orientation assembly is operable to displace the nozzle member in a manner adaptive to the position of the nozzling unit relative to the pattern predefined on the workpiece. The adaptive orientation assembly thus maintains the cutting stream within a predefined angular orientation range relative to predefined pattern.

REFERENCES:
patent: 6752685 (2004-06-01), Ulrich et al.

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